CN104701555A - Air electrode of zinc-air battery based on graphene and preparation method thereof - Google Patents
Air electrode of zinc-air battery based on graphene and preparation method thereof Download PDFInfo
- Publication number
- CN104701555A CN104701555A CN201510115724.5A CN201510115724A CN104701555A CN 104701555 A CN104701555 A CN 104701555A CN 201510115724 A CN201510115724 A CN 201510115724A CN 104701555 A CN104701555 A CN 104701555A
- Authority
- CN
- China
- Prior art keywords
- graphene
- zinc
- air electrode
- preparation
- waterproof ventilative
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Abstract
The invention discloses an air electrode of a zinc-air battery based on graphene; the air electrode of the zinc-air battery based on graphene is molded by laminating a waterproof ventilating layer, a current collector and a catalyzing layer. Graphene is added in a conductive agent inside the waterproof ventilating layer and the catalyzing layer; the conductive agent further comprises one or more of active carbon, acetylene black, graphite, and carbon black. The weight percentage of graphene in the conductive agent is 0.1%-100%. By adding graphene as well as the conductive agent consisted of graphene, active carbon, acetylene black, graphinte and carbon black into the air electrode of the zinc-air battery, the electrical conductivity of the zinc-air battery is increased, the heat dissipation speed of the battery is increased, and the problem that the battery emits heat while the battery works under a large current is solved. Meanwhile, the introduction of graphene increases the electric conductivity of the electrode, thereby improving the rate capability of the battery.
Description
Technical field
The present invention relates to a kind of air electrode of zinc-air cell, be specifically related to a kind of air electrode of zinc-air cell based on Graphene and preparation method thereof.
Background technology
Zinc-air cell is a kind of metal-air cell, makes positive active material with the oxygen in air, and metallic zinc is as negative pole, and neutral or alkaline electrolyte aqueous solution is as electrolyte.
Because positive active material is from the outside of battery, without the need to taking the space of battery, when same volume, weight, more negative electrode active material can be loaded in zinc-air cell, zinc-air cell is made to exceed a lot than the capacity of common batteries, its theoretical specific energy reaches more than 1350Wh/kg, and actual specific energy, at more than 1000Wh/kg, belongs to Large Copacity high-energy chemistry power supply.Zinc-air cell also has the advantages such as specific energy is high, cheap, pollution-free, thus the application of zinc-air cell is quite wide, be mainly used in the navigation light in navigation, unmanned observation station, radio relay station, military radio transmitter, Electric power car etc., but zinc-air cell still exists wretched insufficiency, such as: air electrode poorly conductive, catalytic efficiency are low, high-rate battery discharge heating etc. seriously limits the development of zinc-air cell.
Graphene is a kind of two-dimensional material of the individual layer laminated structure be made up of carbon atom, and it has the conductivity of superelevation, resistivity only about 10
-6Ω cm, be the material that resistivity is minimum in the world at present, Graphene has again good heat conductivility simultaneously.
How Graphene is joined zinc-air cell, improve that zinc-air cell poorly conductive, catalytic efficiency are low, the problem of high-rate battery discharge heating, put aside solution at present.
Summary of the invention
In order to solve the deficiencies in the prior art, the invention provides a kind of there is high conductivity and there is big current in battery time to dispel the heat good air electrode of zinc-air cell based on Graphene and preparation method thereof.
The technical solution adopted in the present invention is as follows: a kind of air electrode of zinc-air cell based on Graphene, compressing by waterproof ventilative layer, collector and Catalytic Layer, add Graphene in conductive agent in described waterproof ventilative layer and Catalytic Layer, the interpolation form of Graphene is graphene powder or graphene dispersing solution.
As preferably, described conductive agent also comprises one or more in active carbon, acetylene black, graphite, carbon black, and described Graphene percentage by weight in conductive agent is 0.1%-100%.
As preferably, the conductance of described Graphene is 1-2000S/m, and specific area is 200-3000m2/g, and particle diameter is 100nm-20 μm.
As preferably, described waterproof ventilative layer also comprises binding agent and pore creating material, and described Catalytic Layer also comprises catalyst, pore creating material and binding agent.
As preferably, described binding agent is the one in Kynoar, polytetrafluoroethylene.
As preferably, described pore creating material is one or more in ammonium carbonate, carbonic hydroammonium, ammonium chloride.
As preferably, described catalyst is one or more in electrolytic MnO2, active carbon, Au, Ag, Pt.
As preferably, described collector is the one in nickel screen, nickel foam.
Based on a preparation method for the air electrode of zinc-air cell of Graphene, comprise the following steps:
(1) preparation of waterproof ventilative layer:
The mass fraction of each component of waterproof ventilative layer consists of: conductive agent 1-7 part, binding agent 0.5-3 part, pore creating material 1-5 part;
First conductive agent and pore creating material are put into the beaker that absolute ethyl alcohol is housed, stir 2-18h, mix; Then dropwise instill binding agent, continue to stir, mix; After at room temperature dry 1-10 days, obtain powdery lotion, powdery lotion is put into granulation on roll squeezer, is finally rolled into the sheet that thickness is 0.05-1mm;
(2) preparation of Catalytic Layer:
The mass fraction of each component of Catalytic Layer consists of: conductive agent 1-5 part, catalyst 3-8 part, binding agent 0.5-3 part, pore creating material 2-6 part;
First conductive agent, catalyst and pore creating material are put into the beaker that absolute ethyl alcohol is housed, stir 2-18h, mix; Then dropwise instill binding agent, continue to stir, mix; After at room temperature dry 1-10 days, obtain powdery lotion, powdery lotion is put into granulation on roll squeezer, is finally rolled into the sheet that thickness is 0.05-1mm;
(3) air electrode preparation
By the Catalytic Layer of preparation in the waterproof ventilative layer of preparation in step (1), step (2) and collector compressing.
In addition, in step (3) air electrode preparation process, there is compacting orders different as follows:
First by compressing to the waterproof ventilative layer of preparation in step (1) and collector, and then be combined with the middle Catalytic Layer prepared of step (2) and be pressed into air electrode;
Separately by compressing together with collector for the Catalytic Layer of preparation in the waterproof ventilative layer of preparation in step (1), step (2), prepare air electrode;
More preferably, first by the Catalytic Layer of preparation in step (2) and collector compressing, and then to be combined with the waterproof ventilative layer prepared in step (1) and to be pressed into air electrode, according to the air electrode that this method suppresses, define densification, uniform microcellular structure, therefore liquid and gas mass-transfer performance improves, and the chemical property of air electrode and life-span are significantly improved.
As preferably, described waterproof ventilative layer, collector, Catalytic Layer are arranged as successively: waterproof ventilative layer, collector, Catalytic Layer.
As preferably, described waterproof ventilative layer, collector, Catalytic Layer are arranged successively and can also be: waterproof ventilative layer, Catalytic Layer, collector.
As preferably, described waterproof ventilative layer, collector, Catalytic Layer are arranged successively and can also be: Catalytic Layer, waterproof ventilative layer, collector.
More preferably, described waterproof ventilative layer, collector, Catalytic Layer are arranged as successively: waterproof ventilative layer, collector, waterproof ventilative layer, Catalytic Layer, the air electrode prepared according to this order of placement, and electric conductivity is especially good, and battery radiating effect is splendid.
The beneficial effect that technical scheme provided by the invention is brought is: Graphene has good electrical and thermal conductivity performance, the present invention joins in the air electrode of zinc-air cell by Graphene and Graphene are mixed with active carbon, acetylene black, graphite, carbon black the conductive agent formed, improve the electric conductivity of zinc-air cell, improve the radiating rate of battery, improve the problem of heating during the work of battery big current; Meanwhile, the introducing of Graphene improves the conductivity of electrode, and then improves the high rate performance of battery.
First by Catalytic Layer and collector compressing, and then to be combined with waterproof ventilative layer and to be pressed into air electrode, according to the air electrode that this method suppresses, define densification, uniform microcellular structure, therefore liquid and gas mass-transfer performance improves, and the chemical property of air electrode and life-span are significantly improved.
Waterproof ventilative layer, collector, waterproof ventilative layer, Catalytic Layer, the air electrode prepared according to this order of placement, not only increases electric conductivity, and improves battery radiating effect, effectively improves the wearing and tearing of battery simultaneously, improves the useful life of battery.
Graphene be added in the problem improving and can improve again high-rate battery discharge heating while electrode conductivuty, greatly can improve the performance of zinc-air cell, expand its use field.As can be seen here, compared with prior art, have outstanding substantive distinguishing features and significant progress, its beneficial effect implemented also is apparent in the present invention.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is air electrode polarization curve comparison diagram in embodiment 1-7.
Embodiment
Make the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Embodiment 1:
In the present embodiment, in waterproof ventilative layer, the mass fraction of each raw material consists of: the hybrid conductive agent of Graphene and active carbon and graphite 1 part, and wherein the percentage by weight of Graphene is 0.1%, Kynoar (PVDF) 0.5 part, ammonium carbonate 1 part.
In Catalytic Layer, the mass fraction of each raw material consists of: active carbon 1 part, electrolytic MnO2 3 parts, polytetrafluoroethylene (PTFE) 0.5 part, 2 parts, carbonic hydroammonium.
The preparation process of a kind of air electrode of zinc-air cell based on Graphene provided by the invention is as follows:
(1) preparation of waterproof ventilative layer:
First the beaker that absolute ethyl alcohol is housed is put in the hybrid conductive agent be made up of Graphene and active carbon and graphite and ammonium carbonate, stir 2h, mix; Then dropwise instill PVDF, continue to stir, mix; After at room temperature dry 1 day, obtain powdery lotion, powdery lotion is put into granulation on roll squeezer, is finally rolled into the sheet that thickness is 0.05mm;
(2) preparation of Catalytic Layer:
First active carbon, electrolytic MnO2 and carbonic hydroammonium are put into the beaker that absolute ethyl alcohol is housed, stir 2h, mix; Then dropwise instill PTFE, continue to stir, mix; After at room temperature dry 1 day, obtain powdery lotion, powdery lotion is put into granulation on roll squeezer, is finally rolled into the sheet that thickness is 0.05mm;
(3) air electrode preparation
By the Catalytic Layer of preparation in the waterproof ventilative layer of preparation in step (1), step (2) and collector compressing.
First by compressing to the waterproof ventilative layer of preparation in step (1) and collector, and then be combined with the middle Catalytic Layer prepared of step (2) and be pressed into air electrode;
The air electrode of zinc-air cell that the present embodiment is prepared is arranged as successively: waterproof ventilative layer, collector, Catalytic Layer.
Embodiment 2:
In the present embodiment, in waterproof ventilative layer, the mass fraction of each raw material consists of: the hybrid conductive agent of Graphene and active carbon and acetylene black 1 part, and wherein the percentage by weight of Graphene is 14%, polytetrafluoroethylene (PTFE) 0.5 part, ammonium carbonate 1 part.
In Catalytic Layer, the mass fraction of each raw material consists of: the hybrid conductive agent 1 part of active carbon and acetylene black composition, electrolysis MnO
25 parts, polytetrafluoroethylene (PTFE) 1 part, ammonium carbonate 3 parts.
The preparation process of a kind of air electrode of zinc-air cell based on Graphene provided by the invention is as follows:
(1) preparation of waterproof ventilative layer:
First the beaker that absolute ethyl alcohol is housed is put in the hybrid conductive agent be made up of Graphene and active carbon and acetylene black and ammonium carbonate, stir 2h, mix; Then dropwise instill PTFE, continue to stir, mix; After at room temperature dry 10 days, obtain powdery lotion, powdery lotion is put into granulation on roll squeezer, is finally rolled into the sheet that thickness is 0.3mm;
(2) preparation of Catalytic Layer:
First hybrid conductive agent active carbon and acetylene black formed, electrolysis MnO
2put into ammonium carbonate the beaker that absolute ethyl alcohol is housed, stir 18h, mix; Then dropwise instill PTFE, continue to stir, mix; After at room temperature dry 5 days, obtain powdery lotion, powdery lotion is put into granulation on roll squeezer, is finally rolled into the sheet that thickness is 0.3mm;
(3) air electrode preparation
By compressing together with collector for the Catalytic Layer of preparation in the waterproof ventilative layer of preparation in step (1), step (2).
The air electrode of zinc-air cell that the present embodiment is prepared is arranged as successively: waterproof ventilative layer, Catalytic Layer, collector.
Embodiment 3:
In the present embodiment, in waterproof ventilative layer, the mass fraction of each raw material consists of: the hybrid conductive agent of Graphene and graphite and acetylene black 7 parts, and wherein the percentage by weight of Graphene is 25%, polytetrafluoroethylene (PTFE) 3 parts, ammonium chloride 5 parts.
In Catalytic Layer, the mass fraction of each raw material consists of: the hybrid conductive agent 5 parts that Graphene and active carbon and graphite form, and wherein the percentage by weight of Graphene is 14%, electrolytic MnO2 8 parts, polytetrafluoroethylene (PTFE) 0.5 part, ammonium chloride 2 parts.
The preparation process of a kind of air electrode of zinc-air cell based on Graphene provided by the invention is as follows:
(1) preparation of waterproof ventilative layer:
First the beaker that absolute ethyl alcohol is housed is put in the hybrid conductive agent be made up of Graphene and graphite and acetylene black and ammonium chloride, stir 12h, mix; Then dropwise instill PTFE, continue to stir, mix; After at room temperature dry 7 days, obtain powdery lotion, powdery lotion is put into granulation on roll squeezer, is finally rolled into the sheet that thickness is 0.8mm;
(2) preparation of Catalytic Layer:
First hybrid conductive agent Graphene formed with active carbon and graphite, electrolysis MnO
2put into ammonium chloride the beaker that absolute ethyl alcohol is housed, stir 10h, mix; Then dropwise instill PTFE, continue to stir, mix; After at room temperature dry 8 days, obtain powdery lotion, powdery lotion is put into granulation on roll squeezer, is finally rolled into the sheet that thickness is 0.05mm;
(3) air electrode preparation
By compressing together with collector for the Catalytic Layer of preparation in the waterproof ventilative layer of preparation in step (1), step (2).
First by the Catalytic Layer of preparation in step (2) and collector compressing, and then to be combined with the waterproof ventilative layer prepared in step (1) and to be pressed into air electrode, according to the air electrode that this method suppresses, define densification, uniform microcellular structure, therefore liquid and gas mass-transfer performance improves, and the chemical property of air electrode and life-span are significantly improved.
The air electrode of zinc-air cell that the present embodiment is prepared is arranged as successively: waterproof ventilative layer, collector, waterproof ventilative layer, Catalytic Layer, the air electrode prepared according to this order of placement, and electric conductivity is especially good, and battery radiating effect is splendid.
Embodiment 4:
In the present embodiment, in waterproof ventilative layer, the mass fraction of each raw material consists of: the hybrid conductive agent of Graphene and active carbon 1 part, and wherein the percentage by weight of Graphene is 50%, polytetrafluoroethylene (PTFE) 1 part, ammonium carbonate 2 parts.
In Catalytic Layer, the mass fraction of each raw material consists of: the hybrid conductive agent 2 parts that Graphene and active carbon and graphite form, and wherein the content of Graphene is 50%, electrolytic MnO2 3 parts, polytetrafluoroethylene (PTFE) 0.5 part, ammonium carbonate 2 parts.
The preparation process of a kind of air electrode of zinc-air cell based on Graphene provided by the invention is as follows:
(1) preparation of waterproof ventilative layer:
First the beaker that absolute ethyl alcohol is housed is put in the hybrid conductive agent be made up of Graphene and active carbon and ammonium carbonate, stir 5h, mix; Then dropwise instill PTFE, continue to stir, mix; After at room temperature dry 6 days, obtain powdery lotion, powdery lotion is put into granulation on roll squeezer, is finally rolled into the sheet that thickness is 0.5mm;
(2) preparation of Catalytic Layer:
First hybrid conductive agent Graphene formed with active carbon and graphite, electrolysis MnO
2put into ammonium carbonate the beaker that absolute ethyl alcohol is housed, stir 10h, mix; Then dropwise instill PTFE, continue to stir, mix; After at room temperature dry 7 days, obtain powdery lotion, powdery lotion is put into granulation on roll squeezer, is finally rolled into the sheet that thickness is 0.6mm;
(3) air electrode preparation
By compressing together with collector for the Catalytic Layer of preparation in the waterproof ventilative layer of preparation in step (1), step (2).
First by the Catalytic Layer of preparation in step (2) and collector compressing, and then to be combined with the waterproof ventilative layer prepared in step (1) and to be pressed into air electrode, according to the air electrode that this method suppresses, define densification, uniform microcellular structure, therefore liquid and gas mass-transfer performance improves, and the chemical property of air electrode and life-span are significantly improved.
The air electrode of zinc-air cell that the present embodiment is prepared is arranged as successively: waterproof ventilative layer, collector, waterproof ventilative layer, Catalytic Layer, the air electrode prepared according to this order of placement, and electric conductivity is especially good, and battery radiating effect is splendid.
Embodiment 5:
In the present embodiment, in waterproof ventilative layer, the mass fraction of each raw material consists of: the hybrid conductive agent of Graphene and acetylene black 5 parts, and wherein the percentage by weight of Graphene is 90%, polytetrafluoroethylene (PTFE) 2 parts, 3 parts, carbonic hydroammonium.
In Catalytic Layer, the mass fraction of each raw material consists of: the hybrid conductive agent 3 parts that Graphene and active carbon and acetylene black form, and wherein the content of Graphene is 50%, electrolysis MnO
26 parts, polytetrafluoroethylene (PTFE) 3 parts, 6 parts, carbonic hydroammonium.
The preparation process of a kind of air electrode of zinc-air cell based on Graphene provided by the invention is as follows:
(1) preparation of waterproof ventilative layer:
First the beaker that absolute ethyl alcohol is housed is put in the hybrid conductive agent be made up of Graphene and acetylene black and carbonic hydroammonium, stir 18h, mix; Then dropwise instill PTFE, continue to stir, mix; After at room temperature dry 9 days, obtain powdery lotion, powdery lotion is put into granulation on roll squeezer, is finally rolled into the sheet that thickness is 0.8mm;
(2) preparation of Catalytic Layer:
First hybrid conductive agent Graphene formed with active carbon and acetylene black, electrolysis MnO
2put into carbonic hydroammonium the beaker that absolute ethyl alcohol is housed, stir 2h, mix; Then dropwise instill PTFE, continue to stir, mix; After at room temperature dry 10 days, obtain powdery lotion, powdery lotion is put into granulation on roll squeezer, is finally rolled into the sheet that thickness is 0.8mm;
(3) air electrode preparation
By compressing together with collector for the Catalytic Layer of preparation in the waterproof ventilative layer of preparation in step (1), step (2).
First by the Catalytic Layer of preparation in step (2) and collector compressing, and then to be combined with the waterproof ventilative layer prepared in step (1) and to be pressed into air electrode, according to the air electrode that this method suppresses, define densification, uniform microcellular structure, therefore liquid and gas mass-transfer performance improves, and the chemical property of air electrode and life-span are significantly improved.
The air electrode of zinc-air cell that the present embodiment is prepared is arranged as successively: waterproof ventilative layer, collector, waterproof ventilative layer, Catalytic Layer, the air electrode prepared according to this order of placement, and electric conductivity is especially good, and battery radiating effect is splendid.
Embodiment 6:
In the present embodiment, in waterproof ventilative layer, the mass fraction of each raw material consists of: Graphene 7 parts, and wherein the percentage by weight of Graphene is 100%, polytetrafluoroethylene (PTFE) 3 parts, 5 parts, carbonic hydroammonium.
In Catalytic Layer, the mass fraction of each raw material consists of: Graphene 5 parts, and wherein the content of Graphene is 100%, electrolysis MnO
28 parts, Kynoar (PVDF) 3 parts, 6 parts, carbonic hydroammonium.
The preparation process of a kind of air electrode of zinc-air cell based on Graphene provided by the invention is as follows:
(1) preparation of waterproof ventilative layer:
First will be put into the beaker that absolute ethyl alcohol is housed by Graphene and carbonic hydroammonium, stir 18h, mix; Then dropwise instill PTFE, continue to stir, mix; After at room temperature dry 10 days, obtain powdery lotion, powdery lotion is put into granulation on roll squeezer, is finally rolled into the sheet that thickness is 1mm;
(2) preparation of Catalytic Layer:
First by Graphene, electrolysis MnO
2put into carbonic hydroammonium the beaker that absolute ethyl alcohol is housed, stir 2h, mix; Then dropwise instill PVDF, continue to stir, mix; After at room temperature dry 10 days, obtain powdery lotion, powdery lotion is put into granulation on roll squeezer, is finally rolled into the sheet that thickness is 1mm;
(3) air electrode preparation:
By compressing together with collector for the Catalytic Layer of preparation in the waterproof ventilative layer of preparation in step (1), step (2).
First by the Catalytic Layer of preparation in step (2) and collector compressing, and then to be combined with the waterproof ventilative layer prepared in step (1) and to be pressed into air electrode, according to the air electrode that this method suppresses, define densification, uniform microcellular structure, therefore liquid and gas mass-transfer performance improves, and the chemical property of air electrode and life-span are significantly improved.
The air electrode of zinc-air cell that the present embodiment is prepared is arranged as successively: waterproof ventilative layer, collector, waterproof ventilative layer, Catalytic Layer, the air electrode prepared according to this order of placement, and electric conductivity is especially good, and battery radiating effect is splendid.
Embodiment 7:
The present embodiment is embodiment as a comparison, and in the present embodiment, in waterproof ventilative layer, the mass fraction of each raw material consists of: the hybrid conductive agent that graphite and acetylene black form 7 parts, polytetrafluoroethylene (PTFE) 3 parts, 5 parts, carbonic hydroammonium.
In Catalytic Layer, the mass fraction of each raw material consists of: the hybrid conductive agent that active carbon and acetylene black form 5 parts, electrolysis MnO
28 parts, Kynoar (PVDF) 3 parts, 6 parts, carbonic hydroammonium.
The preparation process of a kind of air electrode of zinc-air cell based on Graphene provided by the invention is as follows:
(1) preparation of waterproof ventilative layer:
First will be put into the beaker that absolute ethyl alcohol is housed by Graphene and carbonic hydroammonium, stir 18h, mix; Then dropwise instill PTFE, continue to stir, mix; After at room temperature dry 10 days, obtain powdery lotion, powdery lotion is put into granulation on roll squeezer, is finally rolled into the sheet that thickness is 1mm;
(2) preparation of Catalytic Layer:
First by Graphene, electrolysis MnO
2put into carbonic hydroammonium the beaker that absolute ethyl alcohol is housed, stir 2h, mix; Then dropwise instill PVDF, continue to stir, mix; After at room temperature dry 10 days, obtain powdery lotion, powdery lotion is put into granulation on roll squeezer, is finally rolled into the sheet that thickness is 1mm;
(3) air electrode preparation:
By compressing together with collector for the Catalytic Layer of preparation in the waterproof ventilative layer of preparation in step (1), step (2).
First by compressing to the Catalytic Layer of preparation in step (2) and collector, and then be combined with the middle waterproof ventilative layer prepared of step (1) and be pressed into air electrode, the air electrode suppressed according to this method.
The air electrode of zinc-air cell that the present embodiment is prepared is arranged as successively: waterproof ventilative layer, collector, waterproof ventilative layer, Catalytic Layer.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. based on an air electrode of zinc-air cell for Graphene, compressing by waterproof ventilative layer, collector and Catalytic Layer, it is characterized in that: in the conductive agent in described waterproof ventilative layer and Catalytic Layer, add Graphene.
2. a kind of air electrode of zinc-air cell based on Graphene according to claim 1, it is characterized in that: described conductive agent also comprises one or more in active carbon, acetylene black, graphite, carbon black, described Graphene percentage by weight in conductive agent is 0.1%-100%.
3. a kind of air electrode of zinc-air cell based on Graphene according to claim 1 and 2, is characterized in that: the conductance of described Graphene is 1-2000S/m, and specific area is 200-3000m
2/ g, particle diameter is 100nm-20 μm.
4. a kind of air electrode of zinc-air cell based on Graphene according to claim 1, it is characterized in that: described waterproof ventilative layer also comprises binding agent and pore creating material, described Catalytic Layer also comprises catalyst, pore creating material and binding agent.
5. a kind of air electrode of zinc-air cell based on Graphene according to claim 1 or 4, is characterized in that: described binding agent is the one in Kynoar, polytetrafluoroethylene.
6. a kind of air electrode of zinc-air cell based on Graphene according to claim 1 or 4, is characterized in that: described pore creating material is one or more in ammonium carbonate, carbonic hydroammonium, ammonium chloride.
7. a kind of air electrode of zinc-air cell based on Graphene according to claim 1 or 4, is characterized in that: described catalyst is electrolysis MnO
2, active carbon, one or more in Au, Ag, Pt.
8. a kind of air electrode of zinc-air cell based on Graphene according to claim 1, is characterized in that: described collector is the one in nickel screen, nickel foam.
9. the preparation method of a kind of air electrode of zinc-air cell based on Graphene as claimed in claim 1, is characterized in that: comprise the following steps:
(1) preparation of waterproof ventilative layer:
The mass fraction of each component of waterproof ventilative layer consists of: conductive agent 1-7 part, binding agent 0.5-3 part, pore creating material 1-5 part;
First conductive agent and pore creating material are put into the beaker that absolute ethyl alcohol is housed, stir 2-18h, mix; Then dropwise instill binding agent, continue to stir, mix; After at room temperature dry 1-10 days, obtain powdery lotion, powdery lotion is put into granulation on roll squeezer, is finally rolled into the sheet that thickness is 0.05-1mm;
(2) preparation of Catalytic Layer:
The mass fraction of each component of Catalytic Layer consists of: conductive agent 1-5 part, catalyst 3-8 part, binding agent 0.5-3 part, pore creating material 2-6 part;
First conductive agent, catalyst and pore creating material are put into the beaker that absolute ethyl alcohol is housed, stir 2-18h, mix; Then dropwise instill binding agent, continue to stir, mix; After at room temperature dry 1-10 days, obtain powdery lotion, powdery lotion is put into granulation on roll squeezer, is finally rolled into the sheet that thickness is 0.05-1mm;
(3) air electrode preparation:
By the Catalytic Layer of preparation in the waterproof ventilative layer of preparation in step (1), step (2) and collector compressing.
10. a kind of air electrode of zinc-air cell based on Graphene according to claim 1, is characterized in that: described waterproof ventilative layer, collector, Catalytic Layer are arranged as successively: waterproof ventilative layer, collector, waterproof ventilative layer, Catalytic Layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510115724.5A CN104701555B (en) | 2015-03-17 | 2015-03-17 | A kind of air electrode of zinc-air cell and preparation method thereof based on graphene |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510115724.5A CN104701555B (en) | 2015-03-17 | 2015-03-17 | A kind of air electrode of zinc-air cell and preparation method thereof based on graphene |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104701555A true CN104701555A (en) | 2015-06-10 |
| CN104701555B CN104701555B (en) | 2019-09-03 |
Family
ID=53348458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510115724.5A Active CN104701555B (en) | 2015-03-17 | 2015-03-17 | A kind of air electrode of zinc-air cell and preparation method thereof based on graphene |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104701555B (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106784670A (en) * | 2016-12-15 | 2017-05-31 | 衡阳市鑫晟新能源有限公司 | A kind of preparation method of lithium ion battery negative material |
| CN107162125A (en) * | 2017-06-14 | 2017-09-15 | 清华大学 | A kind of method of electric Fenton system degradable organic pollutant using from oxygen supply and from acidifying |
| CN107240703A (en) * | 2017-05-10 | 2017-10-10 | 新材料与产业技术北京研究院 | Air electrode containing graphene and/or CNT and preparation method thereof and metal-air battery |
| CN107768688A (en) * | 2017-10-24 | 2018-03-06 | 昆明纳太科技有限公司 | A kind of gas diffusion catalysis electrode and preparation method thereof and the application in zinc-air battery can filled |
| CN107808961A (en) * | 2017-10-12 | 2018-03-16 | 南京旭羽睿材料科技有限公司 | A kind of graphene conductive agent |
| CN110890550A (en) * | 2019-11-29 | 2020-03-17 | 蔚蓝(广东)新能源科技有限公司 | Air electrode and preparation method and application thereof |
| CN111170420A (en) * | 2020-01-20 | 2020-05-19 | 中南大学 | Method for removing fluorine ions in solution |
| CN111584893A (en) * | 2020-05-28 | 2020-08-25 | 蔚蓝(广东)新能源科技有限公司 | Air electrode catalyst of aluminum-air battery, air electrode and preparation method of air electrode catalyst |
| CN111640951A (en) * | 2020-05-25 | 2020-09-08 | 湖南西瑞尔新材料科技有限公司 | Preparation method and application of air electrode catalyst layer |
| CN113270594A (en) * | 2021-05-19 | 2021-08-17 | 郑州佛光发电设备有限公司 | Preparation method of waterproof breathable film, waterproof breathable film and application |
| CN116417625A (en) * | 2023-06-09 | 2023-07-11 | 超威电源集团有限公司 | Preparation method of air electrode and high-power zinc-air battery |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102255086A (en) * | 2011-04-02 | 2011-11-23 | 中国科学院海洋研究所 | Graphene-based composite air electrode catalyst and preparation method thereof |
| CN103151532A (en) * | 2013-03-01 | 2013-06-12 | 北京化工大学常州先进材料研究院 | Novel air electrode for metal-air battery |
| CN103579718A (en) * | 2013-10-11 | 2014-02-12 | 江苏超洁绿色能源科技有限公司 | Preparation method for single-layered air electrode |
| CN103887531A (en) * | 2012-12-21 | 2014-06-25 | 中国科学院大连化学物理研究所 | Ordered gas diffusion electrode and preparation and application thereof |
| US20140295298A1 (en) * | 2011-01-11 | 2014-10-02 | Battelle Memorial Institute | Graphene-based Battery Electrodes Having Continuous Flow Paths |
| CN104377368A (en) * | 2013-08-13 | 2015-02-25 | 中国科学院宁波材料技术与工程研究所 | High efficient air electrode carbon material of lithium-air battery and preparation method thereof |
-
2015
- 2015-03-17 CN CN201510115724.5A patent/CN104701555B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140295298A1 (en) * | 2011-01-11 | 2014-10-02 | Battelle Memorial Institute | Graphene-based Battery Electrodes Having Continuous Flow Paths |
| CN102255086A (en) * | 2011-04-02 | 2011-11-23 | 中国科学院海洋研究所 | Graphene-based composite air electrode catalyst and preparation method thereof |
| CN103887531A (en) * | 2012-12-21 | 2014-06-25 | 中国科学院大连化学物理研究所 | Ordered gas diffusion electrode and preparation and application thereof |
| CN103151532A (en) * | 2013-03-01 | 2013-06-12 | 北京化工大学常州先进材料研究院 | Novel air electrode for metal-air battery |
| CN104377368A (en) * | 2013-08-13 | 2015-02-25 | 中国科学院宁波材料技术与工程研究所 | High efficient air electrode carbon material of lithium-air battery and preparation method thereof |
| CN103579718A (en) * | 2013-10-11 | 2014-02-12 | 江苏超洁绿色能源科技有限公司 | Preparation method for single-layered air electrode |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106784670A (en) * | 2016-12-15 | 2017-05-31 | 衡阳市鑫晟新能源有限公司 | A kind of preparation method of lithium ion battery negative material |
| CN107240703A (en) * | 2017-05-10 | 2017-10-10 | 新材料与产业技术北京研究院 | Air electrode containing graphene and/or CNT and preparation method thereof and metal-air battery |
| CN107162125A (en) * | 2017-06-14 | 2017-09-15 | 清华大学 | A kind of method of electric Fenton system degradable organic pollutant using from oxygen supply and from acidifying |
| CN107808961A (en) * | 2017-10-12 | 2018-03-16 | 南京旭羽睿材料科技有限公司 | A kind of graphene conductive agent |
| CN107768688B (en) * | 2017-10-24 | 2020-09-04 | 昆明纳太科技有限公司 | Gas diffusion catalytic electrode, preparation method thereof and application thereof in rechargeable zinc-air battery |
| CN107768688A (en) * | 2017-10-24 | 2018-03-06 | 昆明纳太科技有限公司 | A kind of gas diffusion catalysis electrode and preparation method thereof and the application in zinc-air battery can filled |
| CN110890550A (en) * | 2019-11-29 | 2020-03-17 | 蔚蓝(广东)新能源科技有限公司 | Air electrode and preparation method and application thereof |
| CN111170420A (en) * | 2020-01-20 | 2020-05-19 | 中南大学 | Method for removing fluorine ions in solution |
| CN111640951A (en) * | 2020-05-25 | 2020-09-08 | 湖南西瑞尔新材料科技有限公司 | Preparation method and application of air electrode catalyst layer |
| CN111584893A (en) * | 2020-05-28 | 2020-08-25 | 蔚蓝(广东)新能源科技有限公司 | Air electrode catalyst of aluminum-air battery, air electrode and preparation method of air electrode catalyst |
| CN113270594A (en) * | 2021-05-19 | 2021-08-17 | 郑州佛光发电设备有限公司 | Preparation method of waterproof breathable film, waterproof breathable film and application |
| CN113270594B (en) * | 2021-05-19 | 2022-11-18 | 郑州佛光发电设备股份有限公司 | Preparation method of waterproof breathable film, waterproof breathable film and application |
| CN116417625A (en) * | 2023-06-09 | 2023-07-11 | 超威电源集团有限公司 | Preparation method of air electrode and high-power zinc-air battery |
| CN116417625B (en) * | 2023-06-09 | 2023-09-19 | 超威电源集团有限公司 | Preparation method of air electrode and high-power zinc-air battery |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104701555B (en) | 2019-09-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104701555A (en) | Air electrode of zinc-air battery based on graphene and preparation method thereof | |
| CN109167020B (en) | Porous lithium ion pole piece with high energy density, preparation method thereof and lithium ion battery | |
| Guo et al. | Ruthenium oxide coated ordered mesoporous carbon nanofiber arrays: A highly bifunctional oxygen electrocatalyst for rechargeable Zn–air batteries | |
| CN104393290B (en) | A kind of employing MoS2aluminium ion battery for positive electrode and preparation method thereof | |
| CN103904291B (en) | Aquo-lithium ion battery electrode and preparation method thereof, aquo-lithium ion battery | |
| CN103904290B (en) | Aquo-lithium ion battery combination electrode and preparation method thereof, aquo-lithium ion battery | |
| CN103165894B (en) | Graphene-hydroxyl lithium composite and its preparation method and application | |
| CN104659332B (en) | High-magnification lithium iron phosphate battery positive electrode and manufacturing method thereof | |
| CN103700808A (en) | Lithium ion battery composite anode pole piece, preparation method and lithium ion battery | |
| CN104600247A (en) | Sulfur-carbon composite positive electrode material for lithium-sulfur battery and preparation method of sulfur-carbon composite positive electrode material | |
| CN104916824A (en) | Tin/oxidized graphene anode material for lithium battery and preparation method thereof | |
| CN103219491A (en) | Copper sulfide anode and preparation method thereof | |
| CN104022269B (en) | A kind of native graphite and MnO composite high-performance electrode material and preparation method thereof | |
| CN103985923B (en) | Quasi-solid electrolyte PVA-zinc-air battery | |
| CN104393310A (en) | Air electrode material of high-activity lithium air battery and preparation method of nano-composite catalyst material | |
| CN103515595A (en) | Sulfur/polypyrrole-graphene composite material, preparation method thereof, battery positive electrode and lithium-sulfur battery | |
| CN103855373B (en) | Vanadic anhydride/graphene composite material and its preparation method and application | |
| CN103515609A (en) | THAQ/graphene composite material and preparation method thereof as well as battery positive electrode and lithium ion battery | |
| CN104600349A (en) | High-safety flexibly-packaged lithium-sulfur battery and anode material thereof | |
| CN110668428A (en) | Energy storage lithium ion battery negative electrode material and preparation method thereof | |
| CN105762441A (en) | Preparation method of lithium air battery based on lithium ion solid electrolyte | |
| CN105374982A (en) | Electrode structure of lithium sulfur battery and processing technology therefor | |
| CN104953093A (en) | Preparation method for flexible positive pole of lithium selenium battery | |
| CN103050692A (en) | Preparation method of grapheme-lithium manganese silicate anode material | |
| CN104241663A (en) | Air electrode for air cell, manufacturing method of air electrode and air cell |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 272000 A5 building, Chongwen Avenue research and production base, Jining hi tech Zone, Shandong Patentee after: Shandong lett Nano Technology Co., Ltd. Address before: 272000 A5 building, Chongwen Avenue research and production base, Jining hi tech Zone, Shandong Patentee before: Jining Leader Nano Technology Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder |